JS ...rest syntax demo
HTML
<h3>
JS <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/rest_parameters" target="_blank">...rest syntax</a> demo
</h3>
<b id="first-arg"></b>
<ul id="argument-list">
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JavaScript
function test(metadata, level, messageTemplate) {
var args = Array.prototype.slice.call(arguments, 3);
if (args && args.length > 0) {
var message = util.format(messageTemplate, args);
console.log(message);
}
}
test({},"DEBGUG","%s : %s", "toto", "tata" );